6-3.
TM201 block diagram
SIG IN (±5V DC)
SIG GND
PULSE IN +
PULSE IN -
PWR + (+24V)
PWR - (0V)
AC adapter (24V)
43
1/5
MPU
Watch
dog
CPU
32 bit
Power supply
ROM
64KB
detection
Port
Lamp
(red/green)
AMP and A/D
Low-pass
filter
A/D convert
24 bit
Pulse
Serial
counter
port
RAM
12KB
NOVRAM
2048 bit
Serial
port
MPU
+3.3V
USB
* : Indicates insulation by the photo-coupler.
6 Specifications
Reference
voltage
Chapter
6
PC
43